ROCKWOOL is a Danish group and global leader in stone wool (岩綿/ストーンウール) insulation solutions, with roots going back to 1937. Their product portfolio spans building insulation, industrial and technical insulation for process industries, marine and offshore, acoustic ceilings and walls, horticultural growing media, and noise and vibration control — all united by a mission to harness the natural properties of stone to enrich modern living. In Japan, the company operates as ROCKWOOL Japan LLC (ROCKWOOL Japan合同会社), with its head office and factory located in Tomioka, Futaba District, Fukushima Prefecture, offering products tailored to the local market including stone wool insulation for timber-frame housing (TraeRock), industrial insulation, fire protection wraps (Tekkaroll), and HVAC insulation.